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106-31-0

Name Butyric anhydride
CAS 106-31-0
EINECS(EC#) 203-383-4
Molecular Formula C8H14O3
MDL Number MFCD00009389
Molecular Weight 158.19
MOL File 106-31-0.mol

Chemical Properties

Appearance clear liquid
Melting point  -75--66 °C (lit.)
Boiling point  198-199 °C (lit.)
density  0.967 g/mL at 25 °C(lit.)
vapor density  5.45 (vs air)
vapor pressure  10 mm Hg ( 79.5 °C)
refractive index  n20/D 1.413(lit.)
Fp  190 °F
storage temp.  Store below +30°C.
solubility  alcohol: soluble (with decomposition)(lit.)
form  Liquid
color  Clear colorless to light yellow
Odor butter
explosive limit 1.1%, 104°F
Water Solubility  Decomposes
Sensitive  Moisture Sensitive
Merck  14,1594
BRN  1099474
Dielectric constant 12.0(Ambient)
InChIKey YHASWHZGWUONAO-UHFFFAOYSA-N
LogP 1.390
Uses
Manufacture of butyrates, drugs, and tanning agents.
CAS DataBase Reference 106-31-0(CAS DataBase Reference)
NIST Chemistry Reference Butanoic acid, anhydride(106-31-0)
EPA Substance Registry System 106-31-0(EPA Substance)

Safety Data

Hazard Codes  C
Risk Statements 
R14:Reacts violently with water.
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2739 8/PG 3
WGK Germany  1
RTECS  ET7090000
13
Autoignition Temperature 535 °F
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29159000
Safety Profile
Mildly toxic by ingestion. A corrosive liquid. When heated to decomposition it emits acrid smoke and irritating vapors.
Hazardous Substances Data 106-31-0(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 8790 mg/kg LD50 dermal Rabbit 6400 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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